South Africa – Listeria Death Toll in South Africa Climbs Again – Source Still Elusive

Food Poisoning Journal kswfoodworld Listeria monocytogenes

As of 14 February 2018, 872 laboratory-confirmed listeriosis cases have been reported to NICD from all provinces since 01 January 2017 (Figure 1). Most cases have been reported from Gauteng Province (59%, 517/872) followed by Western Cape (13%, 111/872) and KwaZulu-Natal (7%, 62/872) provinces. Cases have been diagnosed in both public (64%, 559/872) and private (34%, 205/872) healthcare sectors. Diagnosis was based most commonly on the isolation of Listeria monocytogenes in blood culture (73%, 640/869), followed by CSF (22%, 183/869). Where age was reported (n=849), ages range from birth to 92 years (median 23 years) and 43% (352/829) are neonates aged ≤28 days (Figure 2). Of neonatal cases, 97% (342/346) had early-onset disease (birth to ≤6 days). Females account for 53% (466/868) of cases where gender is reported. Outcome is known for 597/872 (68%) patients of whom 164 (27%) have died.

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